The super-concentrated formula is long lasting and has the capacity to treat up to 25,000 square feet of space. ECO-Care Yard Odor Away Concentrate Spray uses a biodegradable formula of enzymes and Pro-Bacteria, so it is safe on the environment. It can also be safely used around pets and children. ECO-Care Yard Odor Away Concentrate Spray is great for use on pet stains because it helps to prevent re-marking.